Intel Core i7 8665U 's Advantages
Lower TDP (15W vs 35W)
AMD Ryzen 7 4800H 's Advantages
Released 9 months late
Better graphics card performance
Higher specification of memory (LPDDR4X-4266 vs DDR4-2400)
Larger memory bandwidth (68.27GB/s vs 37.5GB/s)
Higher base frequency (2.9GHz vs 1.9GHz)